CRUDController::validateEdit() - Code Metrics - Inspection of "Merge pull request #51 from allejo/fm-support" - allejo/bzion - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 8158f1...90d7fd )

by Konstantinos

created 2016-08-28 22:48 UTC

CRUDController::validateEdit() A

↳ Parent: CRUDController

Complexity

Conditions	1
Paths	1

Size

Total Lines	3
Code Lines	1

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	2

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
c	1
b	0
f	0
dl	0
loc	3
ccs	0
cts	2
cp	0
rs	10
cc	1
eloc	1
nc	1
nop	2
crap	2

<?php

use BZIon\Form\Creator\ModelFormCreator;
use Symfony\Component\Form\Form;
use Symfony\Component\HttpFoundation\RedirectResponse;
use Symfony\Component\HttpFoundation\Response;

/**
 * A controller with actions for creating, reading, updating and deleting models
 * @package BZiON\Controllers
 */
abstract class CRUDController extends JSONController
{
    /**
     * Make sure that the data of a form is valid, only called when creating a
     * new object
     * @param  Form $form The submitted form
     * @return void
     */
    protected function validateNew($form)
    {
    }

    /**
     * Make sure that the data of a form is valid, only called when editing an
     * existing object
     * @param  Form $form The submitted form
     * @param  PermissionModel $model The model being edited
     * @return void
     */
    protected function validateEdit($form, $model)
    {
    }

    /**
     * Make sure that the data of a form is valid
     * @param  Form $form The submitted form
     * @return void
     */
    protected function validate($form)
    {
    }

    /**
     * Delete a model
     * @param  PermissionModel    $model     The model we want to delete
     * @param  Player             $me        The user who wants to delete the model
     * @param  Closure|null       $onSuccess Something to do when the model is deleted
     * @throws ForbiddenException
     * @return mixed              The response to show to the user
     */
    protected function delete(PermissionModel $model, Player $me, $onSuccess = null)
    {
        if ($model->isDeleted()) {
            // We will have to hard delete the model
            $hard = true;
            $message = 'hardDelete';
            $action = 'Erase forever';
        } else {
            $hard = false;
            $message = 'softDelete';
            $action = 'Delete';
        }

        if (!$this->canDelete($me, $model, $hard)) {
            throw new ForbiddenException($this->getMessage($model, $message, 'forbidden'));
        }

        $successMessage = $this->getMessage($model, $message, 'success');
        $redirection    = $this->redirectToList($model);

        return $this->showConfirmationForm(function () use ($model, $hard, $redirection, $onSuccess) {
            if ($hard) {
                $model->wipe();
            } else {
                $model->delete();
            }

            if ($onSuccess) {
                $response = $onSuccess();
                if ($response instanceof Response) {
                    return $response;
                }
            }

            return $redirection;
        }, $this->getMessage($model, $message, 'confirm'), $successMessage, $action);
    }

    /**
     * Create a model
     *
     * This method requires that you have implemented enter() and a form creator
     * for the model
     *
     * @param  Player             $me The user who wants to create the model
     * @param  Closure|null       $onSuccess The function to call on success
     * @throws ForbiddenException
     * @return mixed              The response to show to the user
     */
    protected function create(Player $me, $onSuccess = null)
    {
        if (!$this->canCreate($me)) {
            throw new ForbiddenException($this->getMessage($this->getName(), 'create', 'forbidden'));
        }

        $creator = $this->getFormCreator();
        $form = $creator->create()->handleRequest($this->getRequest());

        if ($form->isSubmitted()) {
            $this->validate($form);

            $this->validateNew($form);

            if ($form->isValid()) {
                $model = $creator->enter($form);

                $this->getFlashBag()->add("success",
                     $this->getMessage($model, 'create', 'success'));

                if ($onSuccess) {
                    $response = $onSuccess($model);
                    if ($response instanceof Response) {
                        return $response;
                    }
                }

                return $this->redirectTo($model);
            }
        }

        return array("form" => $form->createView());
    }

    /**
     * Edit a model
     *
     * This method requires that you have implemented update() and a form creator
     * for the model
     *
     * @param  PermissionModel    $model The model we want to edit
     * @param  Player             $me    The user who wants to edit the model
     * @param  string             $type  The name of the variable to pass to the view
     * @throws ForbiddenException
     * @return mixed              The response to show to the user
     */
    protected function edit(PermissionModel $model, Player $me, $type)
    {
        if (!$this->canEdit($me, $model)) {
            throw new ForbiddenException($this->getMessage($model, 'edit', 'forbidden'));
        }

        $creator = $this->getFormCreator($model);
        $form = $creator->create()->handleRequest($this->getRequest());

        if ($form->isSubmitted()) {
            $this->validate($form);

            $this->validateEdit($form, $model);

            if ($form->isValid()) {
                $creator->update($form, $model);

                $this->getFlashBag()->add("success",
                    $this->getMessage($model, 'edit', 'success'));

                return $this->redirectTo($model);
            }
        }

        return array("form" => $form->createView(), $type => $model);
    }

    /**
     * Find whether a player can delete a model
     *
     * @param  Player          $player The player who wants to delete the model
     * @param  PermissionModel $model  The model that will be deleted
     * @param  bool         $hard   Whether to hard-delete the model instead of soft-deleting it
     * @return bool
     */
    protected function canDelete($player, $model, $hard = false)
    {
        return $player->canDelete($model, $hard);
    }

    /**
     * Find whether a player can create a model
     *
     * @param  Player  $player The player who wants to create a model
     * @return bool
     */
    protected function canCreate($player)
    {
        $modelName = $this->getName();

        return $player->canCreate($modelName);
    }

    /**
     * Find whether a player can edit a model
     *
     * @param  Player          $player The player who wants to delete the model
     * @param  PermissionModel $model  The model which will be edited
     * @return bool
     */
    protected function canEdit($player, $model)
    {
        return $player->canEdit($model);
    }

    /**
     * Get a redirection response to a model
     *
     * Goes to a list of models of the same type if the provided model does not
     * have a URL
     *
     * @param  ModelInterface $model The model to redirect to
     * @return Response
     */
    protected function redirectTo($model)
    {
        if ($model instanceof UrlModel) {
            return new RedirectResponse($model->getUrl());
        } else {
            return $this->redirectToList($model);
        }
    }

    /**
     * Get a redirection response to a list of models
     *
     * @param  ModelInterface $model The model to whose list we should redirect
     * @return Response
     */
    protected function redirectToList($model)
    {
        $route = $model->getRouteName('list');
interface User
{
    /** @return string */
    public function getPassword();
}

class MyUser implements User
{
    public function getPassword()
    {
        // return something
    }

    public function getDisplayName()
    {
        // return some name.
    }
}

class AuthSystem
{
    public function authenticate(User $user)
    {
        $this->logger->info(sprintf('Authenticating %s.', $user->getDisplayName()));
        // do something.
    }
}
        $url = Service::getGenerator()->generate($route);

        return new RedirectResponse($url);
    }

    /**
     * Dynamically get the form to show to the user
     *
     * @param  \Model|null      $model The model being edited, `null` if we're creating one
     * @return ModelFormCreator
     */
    private function getFormCreator($model = null)
    {
        $type = ($model instanceof Model) ? $model->getType() : $this->getName();
        $type = ucfirst($type);

        $creatorClass = "\\BZIon\\Form\\Creator\\{$type}FormCreator";
        $creator = new $creatorClass($model, $this->getMe(), $this);

        return $creator;
    }

    /**
     * Get a message to show to the user
     * @todo   Use the $escape parameter
     * @param  \ModelInterface|string $model  The model (or type) to show a message for
     * @param  string                 $action The action that will be performed (softDelete, hardDelete, create or edit)
     * @param  string                 $status The message's status (confirm, error or success)
     * @return string
     */
    private function getMessage($model, $action, $status, $escape = true)

    {
        if ($model instanceof Model) {
            $type = strtolower($model->getTypeForHumans());

            if ($model instanceof NamedModel) {
                // Twig will not escape the message on confirmation forms
                $name = $model->getName();
                if ($status == 'confirm') {
                    $name = Model::escape($name);
                }

                $messages = $this->getMessages($type, $name);

                return $messages[$action][$status]['named'];
            } else {
                $messages = $this->getMessages($type);

                return $messages[$action][$status]['unnamed'];
            }
        } else {
            $messages = $this->getMessages(strtolower($model));

            return $messages[$action][$status];
class Author {
    private $name;

    public function __construct($name) {
        $this->name = $name;
    }

    public function getName() {
        return $this->name;
    }
}

abstract class Post {
    public function getAuthor() {
        return 'Johannes';
    }
}

class BlogPost extends Post {
    public function getAuthor() {
        return new Author('Johannes');
    }
}

class ForumPost extends Post { /* ... */ }

function my_function(Post $post) {
    echo strtoupper($post->getAuthor());
}
        }
    }

    /**
     * Get a list of messages to show to the user
     * @param  string $type The type of the model that the message refers to
     * @param  string $name The name of the model
     * @return array
     */
    protected function getMessages($type, $name = '')
    {
        return array(
            'hardDelete' => array(
                'confirm' => array(
                    'named' => <<<"WARNING"
Are you sure you want to wipe <strong>$name</strong>?<br />
<strong><em>DANGER</em></strong>: This action will <strong>permanently</strong>
erase the $type from the database, including any objects directly related to it!
WARNING
                ,
                    'unnamed' => <<<"WARNING"
Are you sure you want to wipe this $type?<br />
<strong><em>DANGER</em></strong>: This action will <strong>permanently</strong>
erase the $type from the database, including any objects directly related to it!
WARNING
                ),
                'forbidden' => array(
                    'named'   => "You are not allowed to delete the $type $name",
                    'unnamed' => "You are not allowed to delete this $type",
                ),
                'success' => array(
                    'named'   => "The $type $name was permanently erased from the database",
                    'unnamed' => "The $type has been permanently erased from the database",
                ),
            ),
            'softDelete' => array(
                'confirm' => array(
                    'named'   => "Are you sure you want to delete <strong>$name</strong>?",
                    'unnamed' => "Are you sure you want to delete this $type?",
                ),
                'forbidden' => array(
                    'named'   => "You are not allowed to delete the $type $name",
                    'unnamed' => "You aren't allowed to delete this $type",
                ),
                'success' => array(
                    'named'   => "The $type $name was deleted successfully",
                    'unnamed' => "The $type was deleted successfully",
                ),
            ),
            'edit' => array(
                'forbidden' => array(
                    'named'   => "You are not allowed to edit the $type $name",
                    'unnamed' => "You aren't allowed to edit this $type",
                ),
                'success' => array(
                    'named'   => "The $type $name has been successfully updated",
                    'unnamed' => "The $type was updated successfully",
                ),
            ),
            'create' => array(
                'forbidden' => "You are not allowed to create a new $type",
                'success'   => array(
                    'named'   => "The $type $name was created successfully",
                    'unnamed' => "The $type was created successfully",
                ),
            ),
        );
    }
}


1		<?php
2
3		use BZIon\Form\Creator\ModelFormCreator;
4		use Symfony\Component\Form\Form;
5		use Symfony\Component\HttpFoundation\RedirectResponse;
6		use Symfony\Component\HttpFoundation\Response;
7
8		/**
9		* A controller with actions for creating, reading, updating and deleting models
10		* @package BZiON\Controllers
11		*/
12		abstract class CRUDController extends JSONController
13		{
14		/**
15		* Make sure that the data of a form is valid, only called when creating a
16		* new object
17		* @param Form $form The submitted form
18		* @return void
19		*/
20	1	protected function validateNew($form)
21		{
22	1	}
23
24		/**
25		* Make sure that the data of a form is valid, only called when editing an
26		* existing object
27		* @param Form $form The submitted form
28		* @param PermissionModel $model The model being edited
29		* @return void
30		*/
31		protected function validateEdit($form, $model)
32		{
33		}
34
35		/**
36		* Make sure that the data of a form is valid
37		* @param Form $form The submitted form
38		* @return void
39		*/
40		protected function validate($form)
41		{
42		}
43
44		/**
45		* Delete a model
46		* @param PermissionModel $model The model we want to delete
47		* @param Player $me The user who wants to delete the model
48		* @param Closure\|null $onSuccess Something to do when the model is deleted
49		* @throws ForbiddenException
50		* @return mixed The response to show to the user
51		*/
52	1	protected function delete(PermissionModel $model, Player $me, $onSuccess = null)
53		{
54	1	if ($model->isDeleted()) {
55		// We will have to hard delete the model
56		$hard = true;
57		$message = 'hardDelete';
58		$action = 'Erase forever';
59		} else {
60	1	$hard = false;
61	1	$message = 'softDelete';
62	1	$action = 'Delete';
63		}
64
65	1	if (!$this->canDelete($me, $model, $hard)) {
66		throw new ForbiddenException($this->getMessage($model, $message, 'forbidden'));
67		}
68
69	1	$successMessage = $this->getMessage($model, $message, 'success');
70	1	$redirection = $this->redirectToList($model);
71
72	1	return $this->showConfirmationForm(function () use ($model, $hard, $redirection, $onSuccess) {
73	1	if ($hard) {
74		$model->wipe();
75		} else {
76	1	$model->delete();
77		}
78
79	1	if ($onSuccess) {
80	1	$response = $onSuccess();
81	1	if ($response instanceof Response) {
82		return $response;
83		}
84		}
85
86	1	return $redirection;
87	1	}, $this->getMessage($model, $message, 'confirm'), $successMessage, $action);
88		}
89
90		/**
91		* Create a model
92		*
93		* This method requires that you have implemented enter() and a form creator
94		* for the model
95		*
96		* @param Player $me The user who wants to create the model
97		* @param Closure\|null $onSuccess The function to call on success
98		* @throws ForbiddenException
99		* @return mixed The response to show to the user
100		*/
101	1	protected function create(Player $me, $onSuccess = null)
102		{
103	1	if (!$this->canCreate($me)) {
104	1	throw new ForbiddenException($this->getMessage($this->getName(), 'create', 'forbidden'));
105		}
106
107	1	$creator = $this->getFormCreator();
108	1	$form = $creator->create()->handleRequest($this->getRequest());
109
110	1	if ($form->isSubmitted()) {
111	1	$this->validate($form);
		0 ignored issues – show Compatibility introduced 2016-08-22 14:49 UTC by Report Bug Copy Issue Report `$form` of type `object<Symfony\Component\Form\FormInterface>` is not a sub-type of `object<Symfony\Component\Form\Form>`. It seems like you assume a concrete implementation of the interface `Symfony\Component\Form\FormInterface` to be always present. This check looks for parameters that are defined as one type in their type hint or doc comment but seem to be used as a narrower type, i.e an implementation of an interface or a subclass. Consider changing the type of the parameter or doing an instanceof check before assuming your parameter is of the expected type. Loading history...
112	1	$this->validateNew($form);
		0 ignored issues – show Compatibility introduced 2016-08-22 14:49 UTC by Report Bug Copy Issue Report `$form` of type `object<Symfony\Component\Form\FormInterface>` is not a sub-type of `object<Symfony\Component\Form\Form>`. It seems like you assume a concrete implementation of the interface `Symfony\Component\Form\FormInterface` to be always present. This check looks for parameters that are defined as one type in their type hint or doc comment but seem to be used as a narrower type, i.e an implementation of an interface or a subclass. Consider changing the type of the parameter or doing an instanceof check before assuming your parameter is of the expected type. Loading history...
113	1	if ($form->isValid()) {
114	1	$model = $creator->enter($form);
		0 ignored issues – show Compatibility introduced 2016-08-22 14:49 UTC by Report Bug Copy Issue Report `$form` of type `object<Symfony\Component\Form\FormInterface>` is not a sub-type of `object<Symfony\Component\Form\Form>`. It seems like you assume a concrete implementation of the interface `Symfony\Component\Form\FormInterface` to be always present. This check looks for parameters that are defined as one type in their type hint or doc comment but seem to be used as a narrower type, i.e an implementation of an interface or a subclass. Consider changing the type of the parameter or doing an instanceof check before assuming your parameter is of the expected type. Loading history...
115	1	$this->getFlashBag()->add("success",
116	1	$this->getMessage($model, 'create', 'success'));
117
118	1	if ($onSuccess) {
119	1	$response = $onSuccess($model);
120	1	if ($response instanceof Response) {
121		return $response;
122		}
123		}
124
125	1	return $this->redirectTo($model);
126		}
127		}
128
129	1	return array("form" => $form->createView());
130		}
131
132		/**
133		* Edit a model
134		*
135		* This method requires that you have implemented update() and a form creator
136		* for the model
137		*
138		* @param PermissionModel $model The model we want to edit
139		* @param Player $me The user who wants to edit the model
140		* @param string $type The name of the variable to pass to the view
141		* @throws ForbiddenException
142		* @return mixed The response to show to the user
143		*/
144		protected function edit(PermissionModel $model, Player $me, $type)
145		{
146		if (!$this->canEdit($me, $model)) {
147		throw new ForbiddenException($this->getMessage($model, 'edit', 'forbidden'));
148		}
149
150		$creator = $this->getFormCreator($model);
151		$form = $creator->create()->handleRequest($this->getRequest());
152
153		if ($form->isSubmitted()) {
154		$this->validate($form);
		0 ignored issues – show Compatibility introduced 2016-08-22 14:49 UTC by Report Bug Copy Issue Report `$form` of type `object<Symfony\Component\Form\FormInterface>` is not a sub-type of `object<Symfony\Component\Form\Form>`. It seems like you assume a concrete implementation of the interface `Symfony\Component\Form\FormInterface` to be always present. This check looks for parameters that are defined as one type in their type hint or doc comment but seem to be used as a narrower type, i.e an implementation of an interface or a subclass. Consider changing the type of the parameter or doing an instanceof check before assuming your parameter is of the expected type. Loading history...
155		$this->validateEdit($form, $model);
		0 ignored issues – show Compatibility introduced 2016-08-22 14:49 UTC by Report Bug Copy Issue Report `$form` of type `object<Symfony\Component\Form\FormInterface>` is not a sub-type of `object<Symfony\Component\Form\Form>`. It seems like you assume a concrete implementation of the interface `Symfony\Component\Form\FormInterface` to be always present. This check looks for parameters that are defined as one type in their type hint or doc comment but seem to be used as a narrower type, i.e an implementation of an interface or a subclass. Consider changing the type of the parameter or doing an instanceof check before assuming your parameter is of the expected type. Loading history...
156		if ($form->isValid()) {
157		$creator->update($form, $model);
		0 ignored issues – show Compatibility introduced 2016-08-22 14:49 UTC by Report Bug Copy Issue Report `$form` of type `object<Symfony\Component\Form\FormInterface>` is not a sub-type of `object<Symfony\Component\Form\Form>`. It seems like you assume a concrete implementation of the interface `Symfony\Component\Form\FormInterface` to be always present. This check looks for parameters that are defined as one type in their type hint or doc comment but seem to be used as a narrower type, i.e an implementation of an interface or a subclass. Consider changing the type of the parameter or doing an instanceof check before assuming your parameter is of the expected type. Loading history...
158		$this->getFlashBag()->add("success",
159		$this->getMessage($model, 'edit', 'success'));
160
161		return $this->redirectTo($model);
162		}
163		}
164
165		return array("form" => $form->createView(), $type => $model);
166		}
167
168		/**
169		* Find whether a player can delete a model
170		*
171		* @param Player $player The player who wants to delete the model
172		* @param PermissionModel $model The model that will be deleted
173		* @param bool $hard Whether to hard-delete the model instead of soft-deleting it
174		* @return bool
175		*/
176	1	protected function canDelete($player, $model, $hard = false)
177		{
178	1	return $player->canDelete($model, $hard);
179		}
180
181		/**
182		* Find whether a player can create a model
183		*
184		* @param Player $player The player who wants to create a model
185		* @return bool
186		*/
187	1	protected function canCreate($player)
188		{
189	1	$modelName = $this->getName();
190
191	1	return $player->canCreate($modelName);
192		}
193
194		/**
195		* Find whether a player can edit a model
196		*
197		* @param Player $player The player who wants to delete the model
198		* @param PermissionModel $model The model which will be edited
199		* @return bool
200		*/
201		protected function canEdit($player, $model)
202		{
203		return $player->canEdit($model);
204		}
205
206		/**
207		* Get a redirection response to a model
208		*
209		* Goes to a list of models of the same type if the provided model does not
210		* have a URL
211		*
212		* @param ModelInterface $model The model to redirect to
213		* @return Response
214		*/
215	1	protected function redirectTo($model)
216		{
217	1	if ($model instanceof UrlModel) {
218	1	return new RedirectResponse($model->getUrl());
219		} else {
220		return $this->redirectToList($model);
221		}
222		}
223
224		/**
225		* Get a redirection response to a list of models
226		*
227		* @param ModelInterface $model The model to whose list we should redirect
228		* @return Response
229		*/
230	1	protected function redirectToList($model)
231		{
232	1	$route = $model->getRouteName('list');
		0 ignored issues – show Bug introduced 2016-03-14 01:13 UTC by Report Bug Copy Issue Report It seems like you code against a concrete implementation and not the interface `ModelInterface` as the method `getRouteName()` does only exist in the following implementations of said interface: `AliasModel`, `AvatarModel`, `Ban`, `Conversation`, `Invitation`, `Map`, `Match`, `News`, `NewsCategory`, `Page`, `Player`, `Role`, `Server`, `Team`, `UrlModel`. Let’s take a look at an example: interface User { /** @return string / public function getPassword(); } class MyUser implements User { public function getPassword() { // return something } public function getDisplayName() { // return some name. } } class AuthSystem { public function authenticate(User $user) { $this->logger->info(sprintf('Authenticating %s.', $user->getDisplayName())); // do something. } } In the above example, the authenticate() method works fine as long as you just pass instances of MyUser. However, if you now also want to pass a different implementation of User which does not have a getDisplayName() method, the code will break. Available Fixes Change the type-hint for the parameter: class AuthSystem { public function authenticate(MyUser $user) { / ... / } } Add an additional type-check: class AuthSystem { public function authenticate(User $user) { if ($user instanceof MyUser) { $this->logger->info(/* ... /); } // or alternatively if ( ! $user instanceof MyUser) { throw new \LogicException( '$user must be an instance of MyUser, ' .'other instances are not supported.' ); } } } Note:* PHP Analyzer uses reverse abstract interpretation to narrow down the types inside the if block in such a case. Add the method to the interface: interface User { /** @return string / public function getPassword(); /* @return string */ public function getDisplayName(); } Loading history...
233	1	$url = Service::getGenerator()->generate($route);
234
235	1	return new RedirectResponse($url);
236		}
237
238		/**
239		* Dynamically get the form to show to the user
240		*
241		* @param \Model\|null $model The model being edited, `null` if we're creating one
242		* @return ModelFormCreator
243		*/
244	1	private function getFormCreator($model = null)
245		{
246	1	$type = ($model instanceof Model) ? $model->getType() : $this->getName();
247	1	$type = ucfirst($type);
248
249	1	$creatorClass = "\\BZIon\\Form\\Creator\\{$type}FormCreator";
250	1	$creator = new $creatorClass($model, $this->getMe(), $this);
251
252	1	return $creator;
253		}
254
255		/**
256		* Get a message to show to the user
257		* @todo Use the $escape parameter
258		* @param \ModelInterface\|string $model The model (or type) to show a message for
259		* @param string $action The action that will be performed (softDelete, hardDelete, create or edit)
260		* @param string $status The message's status (confirm, error or success)
261		* @return string
262		*/
263	1	private function getMessage($model, $action, $status, $escape = true)
		0 ignored issues – show Unused Code introduced 2015-12-02 06:58 UTC by Report Bug Copy Issue Report The parameter `$escape` is not used and could be removed. This check looks from parameters that have been defined for a function or method, but which are not used in the method body. Loading history...
264		{
265	1	if ($model instanceof Model) {
266	1	$type = strtolower($model->getTypeForHumans());
267
268	1	if ($model instanceof NamedModel) {
269		// Twig will not escape the message on confirmation forms
270	1	$name = $model->getName();
271	1	if ($status == 'confirm') {
272	1	$name = Model::escape($name);
273		}
274
275	1	$messages = $this->getMessages($type, $name);
276
277	1	return $messages[$action][$status]['named'];
278		} else {
279		$messages = $this->getMessages($type);
280
281		return $messages[$action][$status]['unnamed'];
282		}
283		} else {
284	1	$messages = $this->getMessages(strtolower($model));
285
286	1	return $messages[$action][$status];
		0 ignored issues – show Bug Best Practice introduced 2015-12-02 06:58 UTC by Report Bug Copy Issue Report The return type of `return $messages[$action][$status];` (`array`) is incompatible with the return type documented by `CRUDController::getMessage` of type `string`. If you return a value from a function or method, it should be a sub-type of the type that is given by the parent type f.e. an interface, or abstract method. This is more formally defined by the Lizkov substitution principle, and guarantees that classes that depend on the parent type can use any instance of a child type interchangably. This principle also belongs to the SOLID principles for object oriented design. Let’s take a look at an example: class Author { private $name; public function __construct($name) { $this->name = $name; } public function getName() { return $this->name; } } abstract class Post { public function getAuthor() { return 'Johannes'; } } class BlogPost extends Post { public function getAuthor() { return new Author('Johannes'); } } class ForumPost extends Post { /* ... */ } function my_function(Post $post) { echo strtoupper($post->getAuthor()); } Our function `my_function` expects a `Post` object, and outputs the author of the post. The base class `Post` returns a simple string and outputting a simple string will work just fine. However, the child class `BlogPost` which is a sub-type of `Post` instead decided to return an `object`, and is therefore violating the SOLID principles. If a `BlogPost` were passed to `my_function`, PHP would not complain, but ultimately fail when executing the `strtoupper` call in its body. Loading history...
287		}
288		}
289
290		/**
291		* Get a list of messages to show to the user
292		* @param string $type The type of the model that the message refers to
293		* @param string $name The name of the model
294		* @return array
295		*/
296	1	protected function getMessages($type, $name = '')
297		{
298		return array(
299		'hardDelete' => array(
300		'confirm' => array(
301		'named' => <<<"WARNING"
302	1	Are you sure you want to wipe <strong>$name</strong>?<br />
303		<strong><em>DANGER</em></strong>: This action will <strong>permanently</strong>
304	1	erase the $type from the database, including any objects directly related to it!
305		WARNING
306		,
307		'unnamed' => <<<"WARNING"
308	1	Are you sure you want to wipe this $type?<br />
309		<strong><em>DANGER</em></strong>: This action will <strong>permanently</strong>
310	1	erase the $type from the database, including any objects directly related to it!
311		WARNING
312		),
313		'forbidden' => array(
314	1	'named' => "You are not allowed to delete the $type $name",
315	1	'unnamed' => "You are not allowed to delete this $type",
316		),
317		'success' => array(
318	1	'named' => "The $type $name was permanently erased from the database",
319	1	'unnamed' => "The $type has been permanently erased from the database",
320		),
321		),
322		'softDelete' => array(
323		'confirm' => array(
324	1	'named' => "Are you sure you want to delete <strong>$name</strong>?",
325	1	'unnamed' => "Are you sure you want to delete this $type?",
326		),
327		'forbidden' => array(
328	1	'named' => "You are not allowed to delete the $type $name",
329	1	'unnamed' => "You aren't allowed to delete this $type",
330		),
331		'success' => array(
332	1	'named' => "The $type $name was deleted successfully",
333	1	'unnamed' => "The $type was deleted successfully",
334		),
335		),
336		'edit' => array(
337		'forbidden' => array(
338	1	'named' => "You are not allowed to edit the $type $name",
339	1	'unnamed' => "You aren't allowed to edit this $type",
340		),
341		'success' => array(
342	1	'named' => "The $type $name has been successfully updated",
343	1	'unnamed' => "The $type was updated successfully",
344		),
345		),
346		'create' => array(
347	1	'forbidden' => "You are not allowed to create a new $type",
348		'success' => array(
349	1	'named' => "The $type $name was created successfully",
350	1	'unnamed' => "The $type was created successfully",
351		),
352		),
353		);
354		}
355		}
356

allejo / bzion

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CRUDController::validateEdit() A

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